Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share

Schedule of the reconciliation of basic weighted average common shares outstanding to diluted weighted average common shares outstanding

	Three Months Ended March 31,
(dollars and shares in millions, except per share data)	2020		2019
Net income attributable to Amphenol Corporation shareholders	$	242.1	$	267.5
Basic weighted average common shares outstanding		297.4		298.1
Effect of dilutive stock options		9.1		10.5
Diluted weighted average common shares outstanding		306.5		308.6
Earnings per share attributable to Amphenol Corporation shareholders:
Basic	$	0.81	$	0.90
Diluted	$	0.79	$	0.87